Masimo Announces FDA 510(k) Clearance of Radius VSM™

Transformational, Versatile, Patient-worn, Continuous Vital Signs Monitor Features Wide Range of Physiological Measurements on a Compact, Scalable Platform

Masimo (NASDAQ: MASI) today announced that Radius VSM™, a patient-worn, continuous multi-parameter vital signs monitor, has received FDA 510(k) clearance. Designed on a modular platform, Radius VSM allows clinicians to monitor a wide variety of physiological measurements, including Masimo SET^® pulse oximetry, noninvasive blood pressure, temperature, respiration rate, and electrocardiography (ECG). By combining the reliability and accuracy of larger bedside monitors with the comfort and freedom of a wearable device, Radius VSM allows ambulation and movement while ensuring patients remain continuously monitored. With its flexibility and expandability, Radius VSM can be easily scaled to match each patient’s unique monitoring needs and level of acuity, across the continuum of care, and to accommodate surges in patient volume.

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Masimo Radius VSM™ (Photo: Business Wire)

Joe Kiani, Founder and CEO of Masimo, said, “Radius VSM’s unique scalability, versatility, advanced connectivity, and broad range of accurate and automated continuous measurements – all in a wearable device that can be quickly and easily deployed anywhere in the hospital – make it a game-changing tool for clinicians everywhere. Doctors, nurses, and patients in Europe are already experiencing the advantages of Radius VSM and we are excited to share them with U.S. hospitals now too.”

As a modular, wearable device, Radius VSM allows providers to equip any hospital bed with comprehensive monitoring, with the ability to quickly add or remove measurement technologies to match each monitoring scenario and offer more personalized care – without additional bedside equipment, network infrastructure, or any tethered connections. Radius VSM can operate as a self-contained device, with high-quality waveform and parameter trend data shown on its built-in multi-touch LED display, with visual and audible alarms and a built-in rechargeable battery. Or, Radius VSM can connect wirelessly to Masimo bedside monitors like Root^® and to the Masimo Hospital Automation™ platform, simplifying clinical workflows by automating patient data transfer to remote monitoring systems like Masimo Patient SafetyNet™ and electronic medical records (EMRs) – enabling its use as a part of a patient surveillance system and ensuring up-to-date physiological data is available to clinicians throughout the hospital. For example, integrating data from Radius VSM into Patient SafetyNet extends its reach across the hospital for clinicians remotely monitoring patients at centralized viewing stations, viewing continuous monitoring data on their Replica^®-equipped smartphones, and benefiting from the workflow automation of the Halo ION^® patient scoring system – all regardless of where patients are in the hospital, even if they are on the move.

Using a multi-functional pod and a variety of modules and noninvasive sensors designed to prioritize comfort and ergonomics, Radius VSM offers the following measurement technologies:

• Clinically proven Masimo SET^® Measure-through Motion and Low Perfusion™ pulse oximetry, including oxygen saturation (SpO₂), pulse rate (PR), perfusion index (Pi), pleth variability index (PVi^®), and plethysmographic respiration rate (RRp^®).
• Multiple respiration rate measurements, including measurement from the pleth, from the sound of breathing, and from impedance.
• Measure-on-inflation noninvasive blood pressure (NIBP), featuring single-patient-use cuffs and automatic intervals (which reduces the need for periodic manual clinician measurement).
• Continuous skin temperature measurements with notifications when clinician-specified temperature thresholds are breached.
• Patient orientation, position, and activity monitoring, alerting clinicians to unsupervised patient movement and possible patient falls, as well as preventable pressure injuries.
• ECG: continuous 6-lead monitoring (I, II, III, aVR, aVL, and aVF) with heart rate, respiration rate, and lethal arrhythmia detection, using single patient use easy-to-apply pre-connected 3-electrode leadwire.
• rainbow Acoustic Monitoring^®, which uses an adhesive sensor to detect the acoustic signals produced by airflow in the upper airway and convert these patterns into respiration rate, also visualized as a waveform.

Peter Pronovost, MD, PhD, FCCM, Chief Quality and Clinical Transformation Officer at University Hospitals, Ohio, and Clinical Professor of Anesthesiology and Perioperative Medicine at Case Western Reserve School of Medicine, said, “Radius VSM represents another radical transformation of care by Masimo, allowing clinicians to monitor based on patient acuity, not their location. With this new technology, not only can every bed have pulse oximetry monitoring, but if patient acuity increases, we can also easily scale up monitoring, even including ECG, without having to add new hardware or hardwire anything. With the staff shortages in hospitals and the high volume of patients, clinicians need the flexibility to put patients in any bed and ensure that that bed has the capability to monitor each patient appropriately. With Radius VSM, we will have enormous flexibility to manage patient risk across a hospital or, in our case, an entire health system: we can tailor what gets monitored to meet each patient's need, for truly personalized monitoring. And from a safety perspective, by allowing us to monitor patients based on their individual acuity and needs, linked to clinical protocols, we can significantly drive down the risk of possible harm in the hospital.”

Joan Carles Rueda, Deputy Director of Medical Technology at FGS Hospital de la Santa Creu i Sant Pau, Barcelona, Spain, where Radius VSM is already in use, said, “Radius VSM is a reliable solution that combines the advantages of a comprehensive monitoring platform with the autonomy of telemetry, giving the patient the safety and freedom to make their hospital stay more humanized. From a technical perspective, we had no doubt about the reliability of the solution as we have been working with Masimo for many years now. They provided the resources to ensure the proper operation of the technology, even evaluating our wireless network, and it has been working smoothly since the installation. We see the device design as an easy to maintain technology as it all is modular and plug and play.”

Thomas Callahan, MD, Principal Investigator and Director of the Inpatient Hospital Service for Cardiac Electrophysiology and Pacing, Cleveland Clinic, commented, “We are excited to have gained early experience with this next generation inpatient monitoring system at our center as part of the investigational study. What helps differentiate this technology from existing systems is high fidelity continuous ECG monitoring in a compact modular configuration and integration with high precision optical, electrical, and acoustic sensors for blood pressure, respiratory rate, pulse oximetry, and motion.”

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About Masimo

Masimo (NASDAQ: MASI) is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, patient monitors, and automation and connectivity solutions. In addition, Masimo Consumer Audio is home to eight legendary audio brands, including Bowers & Wilkins, Denon, Marantz, and Polk Audio. Our mission is to improve life, improve patient outcomes, and reduce the cost of care. Masimo SET^® Measure-through Motion and Low Perfusion™ pulse oximetry, introduced in 1995, has been shown in over 100 independent and objective studies to outperform other pulse oximetry technologies.¹ Masimo SET^® has also been shown to help clinicians reduce severe retinopathy of prematurity in neonates,² improve CCHD screening in newborns³ and, when used for continuous monitoring with Masimo Patient SafetyNet™ in post-surgical wards, reduce rapid response team activations, ICU transfers, and costs.^4-7 Masimo SET^® is estimated to be used on more than 200 million patients in leading hospitals and other healthcare settings around the world,⁸ and is the primary pulse oximetry at 9 of the top 10 hospitals as ranked in the 2022-23 U.S. News and World Report Best Hospitals Honor Roll.⁹ In 2005, Masimo introduced rainbow^® Pulse CO-Oximetry technology, allowing noninvasive and continuous monitoring of blood constituents that previously could only be measured invasively, including total hemoglobin (SpHb^®), oxygen content (SpOC™), carboxyhemoglobin (SpCO^®), methemoglobin (SpMet^®), Pleth Variability Index (PVi^®), RPVi™ (rainbow^® PVi), and Oxygen Reserve Index (ORi™). In 2013, Masimo introduced the Root^® Patient Monitoring and Connectivity Platform, built from the ground up to be as flexible and expandable as possible to facilitate the addition of other Masimo and third-party monitoring technologies; key Masimo additions include Next Generation SedLine^® Brain Function Monitoring, O3^® Regional Oximetry, and ISA™ Capnography with NomoLine^® sampling lines. Masimo’s family of continuous and spot-check monitoring Pulse CO-Oximeters^® includes devices designed for use in a variety of clinical and non-clinical scenarios, including tetherless, wearable technology, such as Radius-7^®, Radius PPG^®, and Radius VSM™, portable devices like Rad-67^®, fingertip pulse oximeters like MightySat^® Rx, and devices available for use both in the hospital and at home, such as Rad-97^®. Masimo hospital and home automation and connectivity solutions are centered around the Masimo Hospital Automation™ platform, and include Iris^® Gateway, iSirona™, Patient SafetyNet, Replica^®, Halo ION^®, UniView^®, UniView :60™, and Masimo SafetyNet^®. Its growing portfolio of health and wellness solutions includes Radius Tº^® and the Masimo W1™ watch. Additional information about Masimo and its products may be found at www.masimo.com. Published clinical studies on Masimo products can be found at www.masimo.com/evidence/featured-studies/feature/.

ORi and RPVi have not received FDA 510(k) clearance and are not available for sale in the United States. The use of the trademark Patient SafetyNet is under license from University HealthSystem Consortium.

References

1. Published clinical studies on pulse oximetry and the benefits of Masimo SET^® can be found on our website at http://www.masimo.com. Comparative studies include independent and objective studies which are comprised of abstracts presented at scientific meetings and peer-reviewed journal articles.
2. Castillo A et al. Prevention of Retinopathy of Prematurity in Preterm Infants through Changes in Clinical Practice and SpO₂ Technology. Acta Paediatr. 2011 Feb;100(2):188-92.
3. de-Wahl Granelli A et al. Impact of pulse oximetry screening on the detection of duct dependent congenital heart disease: a Swedish prospective screening study in 39,821 newborns. BMJ. 2009;Jan 8;338.
4. Taenzer A et al. Impact of pulse oximetry surveillance on rescue events and intensive care unit transfers: a before-and-after concurrence study. Anesthesiology. 2010:112(2):282-287.
5. Taenzer A et al. Postoperative Monitoring – The Dartmouth Experience. Anesthesia Patient Safety Foundation Newsletter. Spring-Summer 2012.
6. McGrath S et al. Surveillance Monitoring Management for General Care Units: Strategy, Design, and Implementation. The Joint Commission Journal on Quality and Patient Safety. 2016 Jul;42(7):293-302.
7. McGrath S et al. Inpatient Respiratory Arrest Associated With Sedative and Analgesic Medications: Impact of Continuous Monitoring on Patient Mortality and Severe Morbidity. J Patient Saf. 2020 14 Mar. DOI: 10.1097/PTS.0000000000000696.
8. Estimate: Masimo data on file.
9. http://health.usnews.com/health-care/best-hospitals/articles/best-hospitals-honor-roll-and-overview.

Forward-Looking Statements

This press release includes forward-looking statements as defined in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, in connection with the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, among others, statements regarding the potential effectiveness of Masimo Radius VSM™. These forward-looking statements are based on current expectations about future events affecting us and are subject to risks and uncertainties, all of which are difficult to predict and many of which are beyond our control and could cause our actual results to differ materially and adversely from those expressed in our forward-looking statements as a result of various risk factors, including, but not limited to: risks related to our assumptions regarding the repeatability of clinical results; risks related to our belief that Masimo's unique noninvasive measurement technologies, including Masimo Radius VSM, contribute to positive clinical outcomes and patient safety; risks related to our belief that Masimo noninvasive medical breakthroughs provide cost-effective solutions and unique advantages; risks that Masimo fails to realize the expected benefits of FDA 510(k) clearance for Masimo Radius VSM; risks related to COVID-19; as well as other factors discussed in the "Risk Factors" section of our most recent reports filed with the Securities and Exchange Commission ("SEC"), which may be obtained for free at the SEC's website at www.sec.gov. Although we believe that the expectations reflected in our forward-looking statements are reasonable, we do not know whether our expectations will prove correct. All forward-looking statements included in this press release are expressly qualified in their entirety by the foregoing cautionary statements. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of today's date. We do not undertake any obligation to update, amend or clarify these statements or the "Risk Factors" contained in our most recent reports filed with the SEC, whether as a result of new information, future events or otherwise, except as may be required under the applicable securities laws.

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